diff --git a/coreapi/lsd.c b/coreapi/lsd.c
index ddb8667c2..e216b8e88 100644
--- a/coreapi/lsd.c
+++ b/coreapi/lsd.c
@@ -285,5 +285,9 @@ MSSndCard *linphone_sound_daemon_get_proxy_card(LinphoneSoundDaemon *lsd){
 }
 
 void linphone_core_use_sound_daemon(LinphoneCore *lc, LinphoneSoundDaemon *lsd){
-	lc->sound_conf.lsd_card=linphone_sound_daemon_get_proxy_card (lsd);
+	if (lsd!=NULL){
+		lc->sound_conf.lsd_card=linphone_sound_daemon_get_proxy_card (lsd);
+	}else {
+		lc->sound_conf.lsd_card=NULL;
+	}
 }
diff --git a/coreapi/test_lsd.c b/coreapi/test_lsd.c
index 930980f83..b34f51934 100644
--- a/coreapi/test_lsd.c
+++ b/coreapi/test_lsd.c
@@ -95,8 +95,9 @@ int main(int argc, char *argv[]){
 		wait_a_bit(lc,10);
 		linphone_core_terminate_call(lc,NULL);
 	}
-	
-	linphone_core_destroy(lc);
+	linphone_core_use_sound_daemon(lc,NULL);
 	linphone_sound_daemon_destroy(lsd);
+	linphone_core_destroy(lc);
+	
 	return 0;
 }